A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.
NSN 6685-01-137-2172
NSN 5999-01-634-0576
NSN 6650-01-212-3964
NSN 6110-01-258-4300
NSN 5905-00-238-7139
NSN 6150-01-655-1951
NSN 4140-01-253-1860
NSN 5925-01-390-5119
NSN 5910-01-274-6922
NSN 5990-01-574-2522
NSN 5930-00-595-5489
NSN 5990-01-591-8797